2172656010 has 64 divisors (see below), whose sum is σ = 6104657664. Its totient is φ = 484492800.

The previous prime is 2172655999. The next prime is 2172656027. The reversal of 2172656010 is 106562712.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117561 + ... + 134780.

It is an arithmetic number, because the mean of its divisors is an integer number (95385276).

Almost surely, 2^2172656010 is an apocalyptic number.

2172656010 is an abundant number, since it is smaller than the sum of its proper divisors (3932001654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2172656010 is a wasteful number, since it uses less digits than its factorization.

2172656010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252399.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2172656010 is about 46611.7582805026. The cubic root of 2172656010 is about 1295.1805793610.

The spelling of 2172656010 in words is "two billion, one hundred seventy-two million, six hundred fifty-six thousand, ten".